• 221A39
• 7700035518
• 7700067302
• 7700067304
• RT7700035518

CL7700035518 Filter Dryer

The filter dryer has the task of filtering out the humidity absorbed by the refrigerant. Filter dryers are subject to wear and must be replaced regularly (once a year). The dryer must be replaced each time the air conditioning system is opened. Worn filters clog and cause damage to the individual components of the air conditioning system. (e.g. blockage of the expansion valve)